121012110112043 has 2 divisors, whose sum is σ = 121012110112044. Its totient is φ = 121012110112042.

The previous prime is 121012110112007. The next prime is 121012110112051. The reversal of 121012110112043 is 340211011210121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121012110112043 - 2¹⁴ = 121012110095659 is a prime.

It is not a weakly prime, because it can be changed into another prime (121012110112643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60506055056021 + 60506055056022.

It is an arithmetic number, because the mean of its divisors is an integer number (60506055056022).

Almost surely, 2^{121012110112043} is an apocalyptic number.

121012110112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121012110112043 is an equidigital number, since it uses as much as digits as its factorization.

121012110112043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 121012110112043 its reverse (340211011210121), we get a palindrome (461223121322164).

The spelling of 121012110112043 in words is "one hundred twenty-one trillion, twelve billion, one hundred ten million, one hundred twelve thousand, forty-three".